An introduction to the study of colour vision (1915)
Parsons, John Herbert, Sir, 1868-1957 · Cambridge [Eng.] University Press; New York, G. P. Putnam's Sons · leaf 68
ively to the periphery it iscapable of a slight degree of dark adaptation^, but the small rise insensitiveness of the fovea is only appreciable after previous very stronglight adaptation, such as looking at the open sky. Breuer and Pertz^ showed that the peripheral rise in retinal sensi-bility in… … Fig. 13. Sensibility of the fovea and parafoveal region for mixed bluish-white light.Abscissae, to the left of zero degrees to the temporal, to the right, degrees to the nasalside of the fovea (0); abscissae, arbitrary scale. (Breuer and Pertz.) parafoveal region to bluish-white light are shown.…
Color vision
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